<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>502 Bad Gateway Error</title>
    <style>
        body {
            background-color: #f1f1f1;
            font-family: Arial, sans-serif;
        }

        .container {
            max-width: 600px;
            margin: 0 auto;
            padding: 20px;
            background-color: #ffffff;
            border-radius: 5px;
            box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.3);
            text-align: center;
        }

        h1 {
            font-size: 36px;
            color: #333333;
            margin-top: 0;
        }

        p {
            font-size: 18px;
            color: #666666;
        }

        a {
            color: #007bff;
            text-decoration: none;
        }
    </style>
</head>

<body>
    <div class="container">
        <h1>502 Bad Gateway Error</h1>
        <p>The server encountered a temporary error and could not complete your request.</p>
        <p>Please try again later or contact the website administrator if the problem persists.</p>
        <a href="/index_1.html">返回首页</a>
    </div>
</body>

</html>